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<title>beos(MPM) － Apache 2.2 中文手册 [金步国]</title>
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<div id="page-content"><div id="preamble"><h1>Apache MPM beos</h1>

<table border="1" cellpadding="0" cellspacing="0" bordercolor="#AAAAAA" class="module">
<tr><th><a href="module-dict.html#Description">说明</a></th><td>专门针对BeOS优化过的多路处理模块(MPM)</td></tr>
<tr><th><a href="module-dict.html#Status">状态</a></th><td>MPM</td></tr>
<tr><th><a href="module-dict.html#ModuleIdentifier">模块名</a></th><td>mpm_beos_module</td></tr>
<tr><th><a href="module-dict.html#SourceFile">源文件</a></th><td>beos.c</td></tr>
</table>
<h3>概述</h3>

    <p>这是BeOS平台上默认的多路处理模块(MPM)。它使用一个单独的控制线程来创建和控制处理请求的工作线程。</p>
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<div class="directive-section"><h2><a name="MaxRequestsPerThread" id="MaxRequestsPerThread">MaxRequestsPerThread</a> <a name="maxrequestsperthread" id="maxrequestsperthread">指令</a></h2>
<table border="1" cellpadding="0" cellspacing="0" bordercolor="#AAAAAA" class="directive">
<tr><th><a href="directive-dict.html#Description">说明</a></th><td>每个线程在其生存期内允许伺服的最大请求数量</td></tr>
<tr><th><a href="directive-dict.html#Syntax">语法</a></th><td><code>MaxRequestsPerThread <var>number</var></code></td></tr>
<tr><th><a href="directive-dict.html#Default">默认值</a></th><td><code>MaxRequestsPerThread 0</code></td></tr>
<tr><th><a href="directive-dict.html#Context">作用域</a></th><td>server config</td></tr>
<tr><th><a href="directive-dict.html#Status">状态</a></th><td>MPM</td></tr>
<tr><th><a href="directive-dict.html#Module">模块</a></th><td>beos</td></tr>
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    <p><code class="directive">MaxRequestsPerThread</code>设置了每个线程在其生存期内允许伺服的最大请求数量。当一个线程已经处理的请求数量到达<code class="directive">MaxRequestsPerThread</code>值之后，它将会结束。<code>0</code>表示线程永不结束。</p>

    <p>将<code class="directive">MaxRequestsPerThread</code>设置成非零值有两个好处：</p>

    <ul>
      <li>可以防止(偶然的)内存泄漏无限进行，从而耗尽内存。</li>

      <li>给线程一个有限寿命，从而有助于当服务器负载减轻的时候减少活动线程的数量。</li>
    </ul>

    <div class="note"><h3>注意：</h3>
      <p>对于<code class="directive"><a href="core.html#keepalive">KeepAlive</a></code>链接，只有第一个请求会被计数。事实上，它改变了每个线程限制最大<em>连接</em>数量的行为。</p>
    </div>

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